Sigma 28-70mm F2.8 DG DN Contemporary:
B&H Photo / Amazon / Adorama
Lenstips published its review of the Sigma C 28-70 mm f/2.8 DG DN, which you can read in full here or check out the excerpt below:
Pros:
- solid but compact barrel,
- very good image quality in the frame centre across the whole focal range,
- good image quality on the edge of the APS-C/DX sensor,
- slight longitudinal chromatic aberration,
- very low lateral chromatic aberration,
- low astigmatism,
- slight vignetting on the APS-C sensor,
- sensible performance against bright light,
- silent, quick, and accurate autofocus,
- slight focus breathing,
- sensible out-of-focus areas.
Cons:
- very high vignetting on full frame,
- distinct distortion on both ends of the focal range.
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